Fusion Flex Hybrid Short Sleeve ShirtMobility Where You Need It Whether you wear the Fusion Flex Hybrid Shirt alone or layered, you can count on this modern uniform piece for performance and comfort. The semi compression fit and longline hem ensure the shirt stays in place in the moments that matter most. The Fusion Flex Hybrid shirt also features a raglan style sleeve construction to ensure your range of motion is never restricted, even when layered under low profile or tactical gear.